diff options
Diffstat (limited to 'source/blender/gpu/GPU_basic_shader.h')
| -rw-r--r-- | source/blender/gpu/GPU_basic_shader.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/source/blender/gpu/GPU_basic_shader.h b/source/blender/gpu/GPU_basic_shader.h new file mode 100644 index 00000000000..df2da971845 --- /dev/null +++ b/source/blender/gpu/GPU_basic_shader.h @@ -0,0 +1,118 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2005 Blender Foundation. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): Brecht Van Lommel. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file GPU_basic_shader.h + * \ingroup gpu + */ + +#ifndef __GPU_BASIC_SHADER_H__ +#define __GPU_BASIC_SHADER_H__ + +#include "BLI_utildefines.h" +#include "GPU_glew.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* Fixed Function Shader */ + +typedef enum GPUBasicShaderOption { + GPU_SHADER_USE_COLOR = (1 << 0), /* use glColor, for lighting it replaces diffuse */ + GPU_SHADER_LIGHTING = (1 << 1), /* use lighting */ + GPU_SHADER_TWO_SIDED = (1 << 2), /* flip normals towards viewer */ + GPU_SHADER_TEXTURE_2D = (1 << 3), /* use 2D texture to replace diffuse color */ + + GPU_SHADER_SOLID_LIGHTING = (1 << 4), /* use faster lighting (set automatically) */ + GPU_SHADER_STIPPLE = (1 << 5), /* use stipple */ + GPU_SHADER_LINE = (1 << 6), /* draw lines */ + GPU_SHADER_OPTIONS_NUM = 7, + GPU_SHADER_OPTION_COMBINATIONS = (1 << GPU_SHADER_OPTIONS_NUM) +} GPUBasicShaderOption; + +/* Keep these in sync with gpu_shader_basic_frag.glsl */ +typedef enum GPUBasicShaderStipple { + GPU_SHADER_STIPPLE_HALFTONE = 0, + GPU_SHADER_STIPPLE_QUARTTONE = 1, + GPU_SHADER_STIPPLE_CHECKER_8PX = 2, + GPU_SHADER_STIPPLE_HEXAGON = 3, + GPU_SHADER_STIPPLE_DIAG_STRIPES = 4, + GPU_SHADER_STIPPLE_DIAG_STRIPES_SWAP = 5, + GPU_SHADER_STIPPLE_S3D_INTERLACE_ROW = 6, + GPU_SHADER_STIPPLE_S3D_INTERLACE_ROW_SWAP = 7, + GPU_SHADER_STIPPLE_S3D_INTERLACE_COLUMN = 8, + GPU_SHADER_STIPPLE_S3D_INTERLACE_COLUMN_SWAP = 9, + GPU_SHADER_STIPPLE_S3D_INTERLACE_CHECKER = 10, + GPU_SHADER_STIPPLE_S3D_INTERLACE_CHECKER_SWAP = 11 +} GPUBasicShaderStipple; + +void GPU_basic_shaders_init(void); +void GPU_basic_shaders_exit(void); + +void GPU_basic_shader_bind(int options); +int GPU_basic_shader_bound_options(void); + +void GPU_basic_shader_colors(const float diffuse[3], const float specular[3], + int shininess, float alpha); + +/* Fixed Function Lighting */ + +typedef enum GPULightType { + GPU_LIGHT_POINT, + GPU_LIGHT_SPOT, + GPU_LIGHT_SUN +} GPULightType; + +typedef struct GPULightData { + GPULightType type; + + float position[3]; + float direction[3]; + + float diffuse[3]; + float specular[3]; + + float constant_attenuation; + float linear_attenuation; + float quadratic_attenuation; + + float spot_cutoff; + float spot_exponent; +} GPULightData; + +void GPU_basic_shader_light_set(int light_num, GPULightData *light); +void GPU_basic_shader_light_set_viewer(bool local); +void GPU_basic_shader_stipple(GPUBasicShaderStipple stipple_id); +void GPU_basic_shader_line_stipple(GLint stipple_factor, GLushort stipple_pattern); +void GPU_basic_shader_line_width(float line_width); + +#ifdef __cplusplus +} +#endif + +#endif + |